HEVs require high power discharge and regen pulses, with very long cycle life.In order for traditional batteries to meet these demanding requirements, they must be oversized to protect battery life.

• 电动汽车需要电池在其整个循环寿命中始终支持大电流的放电，为了达到这个要求， 传统电池需要有增大电池的尺寸和容量，从而保护电池的循环寿命。